:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e6e1;
  --fg-muted: #8a8880;
  --fg-dim: #5a5850;
  --accent: #c4f04d;
  --accent-dim: rgba(196, 240, 77, 0.12);
  --accent-glow: rgba(196, 240, 77, 0.06);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Hero ── */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6rem 8% 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  max-width: 640px;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

.hero-accent {
  position: relative;
  z-index: 1;
}

.globe-ring {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: 280px;
  justify-content: center;
}

.ring-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--border);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
  background: var(--bg-elevated);
  transition: all 0.3s ease;
}

.ring-text:nth-child(odd) {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Metrics ── */
.metrics {
  padding: 4rem 8%;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-value {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--accent);
  letter-spacing: -0.02em;
}

.metric-label {
  display: block;
  font-size: 0.9rem;
  color: var(--fg-dim);
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Features ── */
.features {
  padding: 6rem 8%;
}

.features-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.features-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(196, 240, 77, 0.2);
  background: var(--bg-elevated);
}

.feature-card--large {
  grid-column: span 2;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 2rem;
  align-items: start;
}

.feature-card--large .feature-icon {
  grid-row: span 2;
}

.feature-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  opacity: 0.8;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Languages ── */
.languages {
  padding: 6rem 8%;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.languages-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.languages-text h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.languages-text p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.lang-cascade {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lang-line {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
}

.lang-line:first-child {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 500;
}

.lang-translated {
  color: var(--fg-muted);
  margin-left: 1.5rem;
  border-left: 2px solid var(--accent-dim);
}

/* ── Closing ── */
.closing {
  padding: 8rem 8%;
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.closing-text {
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto;
}

/* ── Footer ── */
.site-footer {
  padding: 2.5rem 8%;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--fg);
}

.footer-sep {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    padding: 4rem 6% 3rem;
    min-height: auto;
    gap: 3rem;
  }

  .hero-accent {
    display: none;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-card--large {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .feature-card--large .feature-icon {
    grid-row: auto;
  }

  .languages-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .lang-translated {
    margin-left: 0.75rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}